


of the physical type of bituminous coal - classification of coal type subbituminous Diseño de tablero
bituminous coal, also called soft coal, the most abundant form of coal, intermediate in rank between subbituminous coal and anthracite according to the coal classification used in the …Bituminous coal coal classification Britannica. Bituminous coal, also called soft coal, the most abundant form of coal, intermediate in rank between subbituminous coal and anthracite according to the coal classification used in the United States and Canada. In Britain bituminous coal is commonly called " steam coal," and in Germany the term ...
